* { box-sizing: border-box; }

/* Force [hidden] to win over more-specific class display rules. */
[hidden] { display: none !important; }

:root {
  --bg: #fafafa;
  --panel: #ffffff;
  --border: #e5e5e5;
  --text: #1a1a1a;
  --muted: #888;
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --danger: #dc2626;
  --hover: #f0f0f0;
  --selected: #eef2ff;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

html, body {
  margin: 0;
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
}

body {
  display: grid;
  grid-template-rows: auto 1fr auto;
  height: 100vh;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
}
.logo { font-size: 20px; }

.actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.actions input[type="search"] {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  width: 240px;
  font-size: 13px;
  background: var(--bg);
}
.actions input[type="search"]:focus {
  outline: none;
  border-color: var(--accent);
}

button {
  padding: 6px 12px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
}
button:hover { background: var(--hover); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.danger { color: var(--danger); border-color: var(--danger); }
button.danger:hover { background: #fef2f2; }

.muted { color: var(--muted); font-size: 12px; }

main {
  display: grid;
  grid-template-columns: 280px 1fr;
  overflow: hidden;
}

aside#tree-pane {
  background: var(--panel);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 8px 0;
}

.pane-title {
  padding: 6px 16px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  user-select: none;
}

ul#tree, ul#hits, ul#commits {
  list-style: none;
  margin: 0;
  padding: 0;
}

ul#tree ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.tree-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px 4px 0;
  cursor: pointer;
  user-select: none;
  border-radius: 4px;
  margin: 0 6px;
  font-size: 13px;
}
.tree-item:hover { background: var(--hover); }
.tree-item.selected { background: var(--selected); }
.tree-item .twirl { width: 12px; color: var(--muted); font-size: 9px; flex-shrink: 0; }
.tree-item .icon { width: 14px; flex-shrink: 0; }
.tree-item .name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

#search-results { border-top: 1px solid var(--border); margin-top: 8px; padding-top: 4px; }
ul#hits li {
  padding: 6px 16px;
  cursor: pointer;
  border-radius: 4px;
  margin: 0 6px;
  font-size: 12px;
}
ul#hits li:hover { background: var(--hover); }
ul#hits .file { color: var(--accent); font-family: var(--mono); display: block; }
ul#hits .line { color: var(--text); }

section#viewer {
  display: flex;
  flex-direction: column;
  background: var(--bg);
  overflow: hidden;
}

#path-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 13px;
  flex-shrink: 0;
}
#file-actions { display: flex; gap: 6px; }

#content, #editor {
  flex: 1;
  overflow: auto;
  padding: 16px;
  margin: 0;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  background: var(--bg);
}

#editor {
  border: none;
  resize: none;
  outline: none;
  color: var(--text);
}

.placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--muted);
  gap: 6px;
  text-align: center;
}

footer#commits-panel {
  background: var(--panel);
  border-top: 1px solid var(--border);
  max-height: 220px;
  overflow-y: auto;
}
#commits-toggle { cursor: pointer; }
#commits-panel.collapsed ul#commits { display: none; }

ul#commits li {
  display: grid;
  grid-template-columns: 90px 1fr 100px 120px;
  gap: 12px;
  padding: 6px 16px;
  font-size: 12px;
  font-family: var(--mono);
  border-top: 1px solid var(--border);
}
ul#commits li:hover { background: var(--hover); }
ul#commits .hash { color: var(--accent); }
ul#commits .author { color: var(--muted); }
ul#commits .when { color: var(--muted); text-align: right; }

.user-info {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  background: var(--bg);
  border-radius: 6px;
  font-size: 13px;
}
.link-btn {
  background: transparent;
  border: none;
  padding: 0;
  color: var(--accent);
  cursor: pointer;
  font-size: 12px;
}
.link-btn:hover { text-decoration: underline; background: transparent; }

button.primary {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}
button.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
}
.modal {
  background: var(--panel);
  padding: 28px 32px;
  border-radius: 10px;
  max-width: 460px;
  width: 90%;
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.2);
}
.modal h2 { margin: 0 0 8px 0; font-size: 18px; }
.modal h3 { margin: 16px 0 8px 0; font-size: 15px; }
.modal p { margin: 0 0 16px 0; font-size: 13px; line-height: 1.5; }
.modal p.small { font-size: 12px; }
.modal label {
  display: block;
  margin-bottom: 12px;
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.modal input[type="text"],
.modal input[type="password"] {
  width: 100%;
  margin-top: 4px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  text-transform: none;
  letter-spacing: normal;
  color: var(--text);
}
.modal input:focus {
  outline: none;
  border-color: var(--accent);
}
.modal button.primary {
  width: 100%;
  padding: 10px;
  font-size: 14px;
  margin-top: 8px;
}
.modal.modal-wide { max-width: 720px; }
.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.modal-head h2 { margin: 0; }

.icon-btn {
  width: 28px;
  height: 28px;
  padding: 0;
  font-size: 20px;
  line-height: 1;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel);
  color: var(--muted);
  cursor: pointer;
}
.icon-btn:hover {
  background: var(--hover);
  color: var(--text);
}

.add-user-form {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 16px;
}
.add-user-form input[type="text"] {
  flex: 1;
  margin: 0;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: inherit;
  font-size: 14px;
  text-transform: none;
  letter-spacing: normal;
  width: auto;
}
.add-user-form input[type="text"]:focus {
  outline: none;
  border-color: var(--accent);
}
.add-user-form .check-inline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: normal;
  color: var(--text);
  text-transform: none;
  letter-spacing: normal;
  margin: 0;
  cursor: pointer;
  user-select: none;
}
.add-user-form .check-inline input[type="checkbox"] {
  margin: 0;
}
.add-user-form button.primary {
  width: auto;
  padding: 8px 18px;
  margin: 0;
}
.token-banner {
  background: #fef3c7;
  border: 1px solid #f59e0b;
  border-radius: 6px;
  padding: 12px;
  margin-bottom: 16px;
  font-size: 13px;
}
.token-banner strong { display: block; margin-bottom: 4px; }
.users-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.users-table th, .users-table td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}
.users-table th {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.users-table .actions-cell {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.users-table button {
  font-size: 11px;
  padding: 3px 8px;
}
.user-groups {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
}
.has-token { color: #10b981; }
.no-token { color: var(--muted); }

#file-meta {
  font-family: var(--mono);
  margin-right: 8px;
}

.token-display {
  font-family: var(--mono);
  font-size: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px;
  word-break: break-all;
  white-space: pre-wrap;
  user-select: all;
  flex: 1;
  margin: 0;
}
.token-row {
  display: flex;
  gap: 6px;
  align-items: stretch;
  margin-bottom: 10px;
}
.copy-btn {
  font-size: 12px;
  padding: 4px 10px;
  white-space: nowrap;
  align-self: stretch;
}
.copy-btn.copied { color: #10b981; border-color: #10b981; }

#toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--text);
  color: white;
  padding: 10px 16px;
  border-radius: 6px;
  font-size: 13px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  z-index: 100;
}
#toast.error { background: var(--danger); }